1. What is stored energy and the energy of position called?
Potential energy

2. Why does the bi-metal bar curve when heat is applied to it?
Different metals expand at different rates

3. What is the energy of motion called?
Kinetic energy

4. A book falling off a shelf
Give an example of an object going from potential energy to kinetic energy
A book falling off a shelf

5. Energy efficiency refers to ….
The amount of useful energy you receive

6. Someone turns on a switch to turn on a fan = 100 joules of electrical energy in 70 joules of motion energy out joules of heat energy out joules of sound energy out How much of the energy is wasted? (not used for its intended purpose)
30 joules = heat + sound

7. Stored mechanical - potential
Elastic forces in which a force is applied can be described as what type of energy – be specific
Stored mechanical - potential

8. Light is kinetic or potential?

9. Electricity is kinetic or potential?

10. Chemicals are kinetic or potential?

11. Nuclear is kinetic or potential?

12. Stored mechanical is kinetic or potential?

13. Gravitational energy is kinetic or potential?

14. Describe the amount of potential and kinetic energy of a roller coaster at the top right before going down
Potential – mucho Kinetic - little

15. One egg is dropped from a 3 story building and another egg is dropped from a 1 story building, which has the most gravitational potential energy?
3rd story building

16. Plants have which type of energy?
Chemical / potential

17. Apple battery lab: Pushing the same kind of metal deeper into the apple resulted in this?
No electrical current.

18. More electrical current.
Apple battery lab: Pushing different kinds of metals deeper into the apple resulted in this?
More electrical current.

19. More electrical current.
Apple battery lab: Pushing different kinds of metals deeper into the apple resulted in this?
More electrical current.

20. A reaction in which things feels warm to touch?
Exothermic

21. A reaction in which things feel cool to touch?
Endothermic

22. These two ingredients produce an endothermic reaction
Baking soda and vinegar

23. These two ingredients produce an exothermic reaction
Calcium chloride and water

24. Which is not one of the main forms of energy: light, thermal, petroleum, nuclear

25. I am the type of energy associated with moving electrons
Electricity

26. What happened when two different metals touched in the apple battery
Electrons jump from metal to metal taking the path of least resistance

27. Why is there an energy benefit to some dark colored animals?
Dark colors absorb thermal energy and can keep them warm in cold weather

28. Vibrations in the air are considered this type of energy
Sound

29. State the Law of Conservation of Energy
Energy cannot be created or destroyed. It can only be converted from one form to another

30. Calcium chloride & water
Give an example of an energy conversion from our labs that goes from chemical energy to thermal energy
Calcium chloride & water

31. I am the name given to the process in which light energy is used to make a new substance with chemical energy
Photosynthesis

32. I am a change from one form of energy to another
Energy conversion or energy transformation

33. Motion (windmills) Radiant (solar panel) Chemical (battery)
Give three different energy examples in which electrical energy can be produced.
Motion (windmills) Radiant (solar panel) Chemical (battery)

34. Name 3 different types of energy produced during collisions
Thermal, sound and motion

35. What were the energy conversions in the light stick lab?
Chemical  radiant

36. What were the energy conversions in the radiometer lab?
Radiant  thermal  motion

37. What were the energy conversions in the sad ball lab?
Motion  sound  thermal

38. What were the energy conversions in the solar panel lab?
Radiant  electrical  thermal

39. Paul Konerko hits one out of the park
Paul Konerko hits one out of the park. Describe the energy conversions that take place starting from the sun/nuclear
Sun / nuclear  Chemical (him / from plants) motion (swinging bat)  thermal & sound (collision – hitting the ball)  motion (ball going out of park)  thermal (friction in the air)

40. Energy is the ability to
do work

41. 1. stored energy 2. energy of position (gravitational)
Which 2 factors are used to determine whether an object has potential energy
1. stored energy 2. energy of position (gravitational)